Bergey's manual of Systematic Bacteriology Vol 1 , The Archaea and the deeply branching and phototrophic bacteria

nork Bergeys, Boone, David R, Castenholz, Richard W, Garritty, George M
Argitaratua 2001

Bergey's manual of systematic bacteriology vol 2, The Proteobacteria Part B the Gammaproteobacteria

nork Bergeys, Brenner, Don J, Garrity, George M, Krieg, Noel R, Staley, James T
Argitaratua 2005

Bergey's manual of Systematic bacteriology Vol 2, The Proteobacteria Part A introductory essays

nork Bergeys, Brenner, Don J, Garrity, George M, Krieg, Noel R, Staley, James T
Argitaratua 2005